Lac à Patrick is a Lake located in Ferland-et-Boilleau; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 9' 49'' North   (decimal: 48.1636111)
• Longitude: 70° 47' 49'' West   (decimal: -70.7969444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Ferland-et-Boilleau; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac à Patrick
• GPS Coordinate Locator Map: Lac à Patrick Lat/Long